S SUVbubba Joined Feb 4, 2019 Messages 1 Reaction score 0 Feb 4, 2019 #1 Is Hyundai serious about using only deionized water in the coolant system? Do they cut the Hyundai brand coolant with DI water? When I called the local dealer, neither the service rep nor the parts guy seemed to know anything about that.
Is Hyundai serious about using only deionized water in the coolant system? Do they cut the Hyundai brand coolant with DI water? When I called the local dealer, neither the service rep nor the parts guy seemed to know anything about that.
